1 /* crypto/engine/eng_pkey.c */
2 /* ====================================================================
3  * Copyright (c) 1999-2001 The OpenSSL Project.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  *
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in
14  *    the documentation and/or other materials provided with the
15  *    distribution.
16  *
17  * 3. All advertising materials mentioning features or use of this
18  *    software must display the following acknowledgment:
19  *    "This product includes software developed by the OpenSSL Project
20  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
21  *
22  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23  *    endorse or promote products derived from this software without
24  *    prior written permission. For written permission, please contact
25  *    licensing@OpenSSL.org.
26  *
27  * 5. Products derived from this software may not be called "OpenSSL"
28  *    nor may "OpenSSL" appear in their names without prior written
29  *    permission of the OpenSSL Project.
30  *
31  * 6. Redistributions of any form whatsoever must retain the following
32  *    acknowledgment:
33  *    "This product includes software developed by the OpenSSL Project
34  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
35  *
36  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47  * OF THE POSSIBILITY OF SUCH DAMAGE.
48  * ====================================================================
49  *
50  * This product includes cryptographic software written by Eric Young
51  * (eay@cryptsoft.com).  This product includes software written by Tim
52  * Hudson (tjh@cryptsoft.com).
53  *
54  */
55 
56 #include "eng_int.h"
57 
58 /* Basic get/set stuff */
59 
60 int ENGINE_set_load_privkey_function(ENGINE *e, ENGINE_LOAD_KEY_PTR loadpriv_f)
61 	{
62 	e->load_privkey = loadpriv_f;
63 	return 1;
64 	}
65 
66 int ENGINE_set_load_pubkey_function(ENGINE *e, ENGINE_LOAD_KEY_PTR loadpub_f)
67 	{
68 	e->load_pubkey = loadpub_f;
69 	return 1;
70 	}
71 
72 int ENGINE_set_load_ssl_client_cert_function(ENGINE *e,
73 				ENGINE_SSL_CLIENT_CERT_PTR loadssl_f)
74 	{
75 	e->load_ssl_client_cert = loadssl_f;
76 	return 1;
77 	}
78 
79 ENGINE_LOAD_KEY_PTR ENGINE_get_load_privkey_function(const ENGINE *e)
80 	{
81 	return e->load_privkey;
82 	}
83 
84 ENGINE_LOAD_KEY_PTR ENGINE_get_load_pubkey_function(const ENGINE *e)
85 	{
86 	return e->load_pubkey;
87 	}
88 
89 ENGINE_SSL_CLIENT_CERT_PTR ENGINE_get_ssl_client_cert_function(const ENGINE *e)
90 	{
91 	return e->load_ssl_client_cert;
92 	}
93 
94 /* API functions to load public/private keys */
95 
96 EVP_PKEY *ENGINE_load_private_key(ENGINE *e, const char *key_id,
97 	UI_METHOD *ui_method, void *callback_data)
98 	{
99 	EVP_PKEY *pkey;
100 
101 	if(e == NULL)
102 		{
103 		ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
104 			ERR_R_PASSED_NULL_PARAMETER);
105 		return 0;
106 		}
107 	CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
108 	if(e->funct_ref == 0)
109 		{
110 		CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
111 		ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
112 			ENGINE_R_NOT_INITIALISED);
113 		return 0;
114 		}
115 	CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
116 	if (!e->load_privkey)
117 		{
118 		ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
119 			ENGINE_R_NO_LOAD_FUNCTION);
120 		return 0;
121 		}
122 	pkey = e->load_privkey(e, key_id, ui_method, callback_data);
123 	if (!pkey)
124 		{
125 		ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
126 			ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
127 		return 0;
128 		}
129 	return pkey;
130 	}
131 
132 EVP_PKEY *ENGINE_load_public_key(ENGINE *e, const char *key_id,
133 	UI_METHOD *ui_method, void *callback_data)
134 	{
135 	EVP_PKEY *pkey;
136 
137 	if(e == NULL)
138 		{
139 		ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,
140 			ERR_R_PASSED_NULL_PARAMETER);
141 		return 0;
142 		}
143 	CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
144 	if(e->funct_ref == 0)
145 		{
146 		CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
147 		ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,
148 			ENGINE_R_NOT_INITIALISED);
149 		return 0;
150 		}
151 	CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
152 	if (!e->load_pubkey)
153 		{
154 		ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,
155 			ENGINE_R_NO_LOAD_FUNCTION);
156 		return 0;
157 		}
158 	pkey = e->load_pubkey(e, key_id, ui_method, callback_data);
159 	if (!pkey)
160 		{
161 		ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,
162 			ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
163 		return 0;
164 		}
165 	return pkey;
166 	}
167 
168 int ENGINE_load_ssl_client_cert(ENGINE *e, SSL *s,
169 	STACK_OF(X509_NAME) *ca_dn, X509 **pcert, EVP_PKEY **ppkey,
170 	STACK_OF(X509) **pother, UI_METHOD *ui_method, void *callback_data)
171 	{
172 
173 	if(e == NULL)
174 		{
175 		ENGINEerr(ENGINE_F_ENGINE_LOAD_SSL_CLIENT_CERT,
176 			ERR_R_PASSED_NULL_PARAMETER);
177 		return 0;
178 		}
179 	CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
180 	if(e->funct_ref == 0)
181 		{
182 		CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
183 		ENGINEerr(ENGINE_F_ENGINE_LOAD_SSL_CLIENT_CERT,
184 			ENGINE_R_NOT_INITIALISED);
185 		return 0;
186 		}
187 	CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
188 	if (!e->load_ssl_client_cert)
189 		{
190 		ENGINEerr(ENGINE_F_ENGINE_LOAD_SSL_CLIENT_CERT,
191 			ENGINE_R_NO_LOAD_FUNCTION);
192 		return 0;
193 		}
194 	return e->load_ssl_client_cert(e, s, ca_dn, pcert, ppkey, pother,
195 					ui_method, callback_data);
196 	}
197